The following is the list of the Spirits from the Sonic the Hedgehog series in Super Smash Bros. Ultimate.
Primary spirits
| Image | Name | Type | Class | Ability | Base stats | Support slots | Origin game |
|---|---|---|---|---|---|---|---|
| File:Knuckless.png | Knuckles | Grab | Ace | Sonic the Hedgehog 3 | |||
| File:Infinite.png | Infinite | Attack | Advanced | Sonic Forces | |||
| File:Shadowf.png | Shadow the Hedgehog | Attack | Ace | Sonic Adventure 2 | |||
| File:Supersonic.png | Super Sonic | Grab | Legend | Sonic the Hedgehog 2 |
Support spirits
| Image | Name | Type | Class | Ability | Origin game |
|---|---|---|---|---|---|
| File:Tailss.png | Tails | Neutral | Ace | Sonic the Hedgehog 2 | |
| File:Amy.png | Amy Rose | Attack | Ace | Sonic CD | |
| File:Rouge.png | Rouge the Bat | Grab | Advanced | Sonic Adventure 2 | |
| File:Blazethecat.png | Blaze the Cat | Shield | Advanced | Sonic Rush | |
| File:Chao.png | Chao | Shield | Novice | Sonic Adventure |
Unknown
| Image | Name | Type | Class | Ability | Origin game |
|---|---|---|---|---|---|
| Dr. Eggman | Sonic the Hedgehog | ||||
| Metal Sonic | Sonic CD | ||||
| Team Chaotix | Knuckles' Chaotix | ||||
| Big the Cat | Sonic Adventure | ||||
| Silver the Hedgehog | Advanced | Sonic the Hedgehog (2006) |